Asystem is a whole consisting of parts that work together to perform a function(s). There are natural systems as well as manmade systems. Examples of systems in nature are the digestive and respiratory systems. Examples of man-made systems are electrical and decimal systems. Understanding these systems allows Man to understand how they operate and how parts influence and interact with one another to perform a function.
章節
- Systems(p.5)
- Avoid The Ball(p.6)
- Say No To Cigarettes(p.13)
- A Peculiar New Classmate(p.19)
- Early To Bed And Early To Rise(p.26)
- Healthy Sleep Positions(p.31)
- Breathing Organs(p.35)
- Puut... Puut... Puut...(p.42)
- Body Language(p.47)
- Body Language ②(p.53)
- Stinking Ladybird(p.59)
- Stripes On The Zebras(p.65)
- Horses Sleep Standing(p.68)
- Speedy Runners(p.74)
- The Amazing Tongues(p.77)
- The Eagle Has No Teeth(p.84)
- I Want To Change The Colour Of My Fur!(p.87)
- Insects’ Antennae(p.94)
- Followers Of The Sun(p.97)
- Plants Grow(p.101)
- From Cocoa To Chocolate(p.109)
- Earth’s Attire(p.116)
- Earth’s Clothing(p.122)
- Magnets Attract(p.125)
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